OpenTechnical

OT-2026-000091700

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000091700) never changes.

Identity and time

Publication numberOT-2026-000091700 · never reused
Internal UUID01a0ae9d-43b9-7da3-8a97-02081f7cc961 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091700
StatusPUBLIC

Content hashes

Canonical textd601c3b60febca2b13462707941f2133c94a3d54f5a6e9ae7ea71b1429f6c127
Markdowne9273a3c95b5e5e563b2165f2e1293736525a33e705eeacff2b0c04b7b6c6150
PDF
Publication page03a6b4c86fb642ac0578c16980589cda0fc52936fd3e5148d2debd7620b82f01
Manifestfdd6364db16cc6a444fffdc2ca05c616f743b02f26a164ecd27e70c37e787847

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCMkYxoG4F8Pa4yBwotZ4Mdcf9Qv7LW6Hxqe+cb9fn3DD62PTAVtQD1z4LFCmrzZKIAx9w/YWvqwTGgXNrzXUAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:05.303930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091700
observed 03a6b4c86fb642ac0578c16980589cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.285712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091700/manifest.json
observed fdd6364db16cc6a444fffdc2ca05c616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.266983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091700/publication.md
observed e9273a3c95b5e5e563b2165f2e129373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.247868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091700/publication.txt
observed d601c3b60febca2b13462707941f2133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.